[INFO] cloning repository https://github.com/KevinWMatthews/rust-arcs_and_mutexes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KevinWMatthews/rust-arcs_and_mutexes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinWMatthews%2Frust-arcs_and_mutexes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinWMatthews%2Frust-arcs_and_mutexes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8f0a47dcd6c3220fffedb5766bc0040303c6fa2 [INFO] checking KevinWMatthews/rust-arcs_and_mutexes against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKevinWMatthews%2Frust-arcs_and_mutexes" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KevinWMatthews/rust-arcs_and_mutexes on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KevinWMatthews/rust-arcs_and_mutexes [INFO] finished tweaking git repo https://github.com/KevinWMatthews/rust-arcs_and_mutexes [INFO] tweaked toml for git repo https://github.com/KevinWMatthews/rust-arcs_and_mutexes written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/KevinWMatthews/rust-arcs_and_mutexes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f7b402c9d43c41a0f77aface473fc9bb9514263f7be267e4a6d8b3cd5882f6a9 [INFO] running `Command { std: "docker" "start" "-a" "f7b402c9d43c41a0f77aface473fc9bb9514263f7be267e4a6d8b3cd5882f6a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7b402c9d43c41a0f77aface473fc9bb9514263f7be267e4a6d8b3cd5882f6a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7b402c9d43c41a0f77aface473fc9bb9514263f7be267e4a6d8b3cd5882f6a9", kill_on_drop: false }` [INFO] [stdout] f7b402c9d43c41a0f77aface473fc9bb9514263f7be267e4a6d8b3cd5882f6a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72dae4abf11f927536493eec2978acf1736f58504ff95cf8f3d2044f991a68a5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "72dae4abf11f927536493eec2978acf1736f58504ff95cf8f3d2044f991a68a5", kill_on_drop: false }` [INFO] [stderr] Checking arcs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "72dae4abf11f927536493eec2978acf1736f58504ff95cf8f3d2044f991a68a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72dae4abf11f927536493eec2978acf1736f58504ff95cf8f3d2044f991a68a5", kill_on_drop: false }` [INFO] [stdout] 72dae4abf11f927536493eec2978acf1736f58504ff95cf8f3d2044f991a68a5